Home / 1,780,488,604.02-2,667,361,847.06-1,188,493,804.85

Finding the Fourth Proportional to 1,780,488,604.02, 2,667,361,847.06 and 1,188,493,804.85

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Solution

The fourth proportional to 1,780,488,604.02, 2,667,361,847.06 and 1,188,493,804.85 is: 1,780,490,491.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,488,604.02 : 2,667,361,847.06 = 1,188,493,804.85 : x
  2. Step 2: Convert to fraction form
    1,780,488,604.02/2,667,361,847.06 = 1,188,493,804.85/x
  3. Step 3: Cross multiply
    1,780,488,604.02x = 2,667,361,847.06 × 1,188,493,804.85
  4. Step 4: Simplify right side
    1,780,488,604.02x = 3,170,143,030,533,702,656
  5. Step 5: Solve for x
    x = 3,170,143,030,533,702,656/1,780,488,604.02
  6. Step 6: Final answer
    x = 1,780,490,491.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.